CN220159474U - Cyclone separation device for purifying tail gas of phosphorus pentoxide production system - Google Patents
Cyclone separation device for purifying tail gas of phosphorus pentoxide production system Download PDFInfo
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- CN220159474U CN220159474U CN202321115590.3U CN202321115590U CN220159474U CN 220159474 U CN220159474 U CN 220159474U CN 202321115590 U CN202321115590 U CN 202321115590U CN 220159474 U CN220159474 U CN 220159474U
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- Prior art keywords
- cyclone
- cyclone separation
- tail gas
- phosphorus pentoxide
- partition plate
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- 238000000926 separation method Methods 0.000 title claims abstract description 75
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 14
- 230000000712 assembly Effects 0.000 abstract description 10
- 238000000429 assembly Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 42
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 38
- 239000002245 particle Substances 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a cyclone separation device for purifying tail gas of a phosphorus pentoxide production system, which comprises an air inlet, an air outlet and a separator body, wherein the separator body comprises a cyclone separation cavity and an air collecting cavity which are sequentially communicated, the bottom of the cyclone separation cavity is provided with a liquid outlet, an upper partition plate and a lower partition plate are arranged in the cyclone separation cavity at intervals up and down, a plurality of cyclone separation assemblies are uniformly arranged on the upper partition plate and the lower partition plate, the air inlet is arranged on the cyclone separation cavity between the upper partition plate and the lower partition plate, the upper partition plate is obliquely downwards arranged in the cyclone separation cavity, a flow regulator is arranged on the air inlet of the air collecting cavity, at least 2 buffer covers are arranged in the cyclone separation cavity at intervals up and down, and a plurality of air holes are uniformly formed in the buffer covers. The device not only greatly improves the separation efficiency, but also realizes better purification effect, and has the advantages of simple structure, excellent performance, high investment cost and good use effect.
Description
Technical Field
The utility model belongs to the technical field of phosphorus chemical production equipment, and particularly relates to a cyclone separation device for purifying tail gas of a phosphorus pentoxide production system.
Background
At present, the industrial phosphorus pentoxide preparation generally adopts an oxidation combustion method: yellow phosphorus is used as a raw material, the yellow phosphorus is heated and melted and then is added into a combustion furnace, air after drying treatment is introduced into the combustion furnace to react with the yellow phosphorus for combustion, phosphorus pentoxide flue gas is generated, and cold separation and sedimentation are carried out on the phosphorus pentoxide flue gas to prepare a phosphorus pentoxide finished product. However, in the above-mentioned production process of phosphorus pentoxide, a small amount of phosphorus pentoxide, fluoride, arsenic and its compounds are contained in the tail gas after the separation of phosphorus pentoxide by cold separation and sedimentation, and if the produced tail gas is directly discharged, serious air pollution is caused, and there is a waste of resources. A cyclone separation device is a device for separating a gas-solid mixture by centrifugal force generated by a gas flow rotating at a high speed. The cyclone separation device has the characteristics of simple structure, low manufacturing cost, high separation efficiency, convenient maintenance and long service life, is widely applied to the industries of energy, environmental protection, chemical industry, metallurgy, pharmacy and the like, and plays an important role in national economy. In the production process of phosphorus pentoxide, the tail gas discharged from the production of phosphorus pentoxide is mostly purified by adopting a single purifying device, the mixed phosphorus pentoxide in the tail gas cannot be thoroughly purified by adopting the single purifying device, and the tail gas after spraying contains a large number of fine atomized water droplets, for example, the cyclone separating device is adopted to thoroughly separate the sprayed phosphorus pentoxide tail gas, so that the purifying effect of the tail gas is obviously improved. Therefore, the cyclone separation device for purifying the tail gas of the phosphorus pentoxide production system, which has reasonable structure, long service life, low investment cost and remarkable purifying effect, is objectively required.
Disclosure of Invention
The utility model aims to provide the cyclone separation device for purifying the tail gas of the phosphorus pentoxide production system, which has the advantages of reasonable structure, long service life, low investment cost and remarkable purifying effect.
The utility model aims at realizing the device by the method, the device comprises an air inlet, an air outlet and a separator body, wherein the separator body comprises a cyclone separation cavity and an air collecting cavity which are sequentially communicated, the bottom of the cyclone separation cavity is provided with a liquid outlet, an upper partition plate and a lower partition plate are arranged in the cyclone separation cavity at intervals, a plurality of cyclone separation assemblies are uniformly arranged on the upper partition plate and the lower partition plate, the air inlet is arranged on the cyclone separation cavity between the upper partition plate and the lower partition plate, the upper partition plate is obliquely downwards arranged in the cyclone separation cavity, the air inlet is provided with a flow regulator, the inside of the air collecting cavity is provided with at least 2 buffer covers in a conical structure at intervals, a plurality of air holes are uniformly formed in the buffer covers, and the air outlet is arranged at the top of the air collecting cavity.
The device has the advantages that: firstly, a plurality of centrifugal separation components arranged in the device can separate out liquid drops with the particle size of 100% particles larger than 8um in the phosphorus pentoxide tail gas by utilizing a centrifugal separation principle, and the arranged buffer cover can slow down the rising speed of the phosphorus pentoxide and further remove the liquid drops with the particle size of 100% particles larger than 5um in the phosphorus pentoxide tail gas; secondly, the flue gas flow regulator that this device set up can be adjusted the tail gas flow that gets into cyclone, improves the purifying effect of tail gas through the flow of control tail gas. The device adopts a centrifugal separation mode to carry out gas-liquid separation on phosphorus pentoxide tail gas, thereby not only greatly improving the separation efficiency, but also realizing better purification effect, efficiently removing liquid and fine solid particles in the tail gas, and simultaneously having the advantages of simple structure, excellent performance, high investment cost and good use effect, and being easy to popularize and use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
in the figure: 1-air inlet, 2-air outlet, 3-cyclone separating cavity, 4-air collecting cavity, 5-liquid outlet, 6-upper baffle, 7-lower baffle, 8-buffer cover, 9-outer cyclone tube, 10-inner cyclone tube, 11-honeycomb duct, 12-helical blade, 16-regulating block, 17-elevating system, 18-middle grille, 19-rotating shaft, 20-air regulating plate and 21-driving mechanism.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings, without limiting the utility model in any way, and any alterations or modifications based on the teachings of the utility model are within the scope of the utility model.
As shown in fig. 1, the cyclone separator comprises an air inlet 1, an air outlet 2 and a separator body, wherein the separator body comprises cyclone separation cavities 3 and air collecting cavities 4 which are sequentially communicated, the bottom of each cyclone separation cavity 3 is provided with a liquid outlet 5, an upper partition plate 6 and a lower partition plate 7 are arranged in each cyclone separation cavity 3 at intervals, a plurality of cyclone separation assemblies are uniformly arranged on each upper partition plate 6 and each lower partition plate 7, the air inlet 1 is arranged on the cyclone separation cavity 3 between the upper partition plate 6 and the lower partition plate 7, the upper partition plate 6 is obliquely downwards arranged in the cyclone separation cavity 3, the obliquely downwards direction of the upper partition plate gradually reduces from the air outlet direction of the air inlet 1, phosphorus pentoxide tail gas entering the cyclone separation cavity 3 is uniformly distributed between the upper partition plate 6 and the lower partition plate 7, so that phosphorus pentoxide tail gas is uniformly distributed in each cyclone separation assembly, the efficiency of high-efficient centrifugal separation is achieved, at least 2 buffer covers 8 are arranged in each air collecting cavities 4 at intervals in the air inlet 1, and the buffer covers 8 are of conical structures, and the air inlets 4 are uniformly distributed on the top of the air outlet 2.
The working process of the device is as follows: phosphorus pentoxide tail gas enters a cyclone separation cavity 3 between an upper baffle plate 6 and a lower baffle plate 7 through an air inlet 1, phosphorus pentoxide tail gas entering the cyclone separation cavity 3 respectively enters a plurality of cyclone separation assemblies, at the moment, under the centrifugal action of the cyclone separation assemblies, phosphorus pentoxide tail gas entering the cyclone separation assemblies forms a cyclone field in the cyclone separation assemblies, most liquid drops in the phosphorus pentoxide tail gas are trapped by the cyclone separation assemblies after cyclone movement, a liquid film is formed in the cyclone separation assemblies, the liquid film flows downwards to the lower part of the cyclone separation cavity along the wall surface of the cyclone separation assemblies and finally is discharged through a liquid discharge pipe 5, the phosphorus pentoxide tail gas after centrifugal separation flows upwards, and a buffer cover 8 can block rising airflow in the flowing process, so that tiny liquid drops in the phosphorus pentoxide tail gas can be intercepted again while the rising speed of the phosphorus pentoxide tail gas is slowed down, and tiny liquid drops in the phosphorus pentoxide tail gas are further removed, thereby achieving better purification effect. The plurality of centrifugal separation components arranged in the device can separate out liquid drops with the particle size of 100% particles larger than 8um in the phosphorus pentoxide tail gas by utilizing a centrifugal separation principle, and the buffer cover 8 can slow down the rising speed of the phosphorus pentoxide and further remove the liquid drops with the particle size of 100% particles larger than 5um in the phosphorus pentoxide tail gas; the flue gas flow regulator that sets up simultaneously can adjust the tail gas flow that gets into in the cyclone chamber 3, improves the purifying effect of tail gas through the flow of control tail gas, has simple structure, excellent performance, investment cost height, excellent in use effect's advantage.
Further, the cyclone separation component comprises an outer cyclone tube 9, an inner cyclone tube 10 and a flow guide tube 11, wherein the upper end of the outer cyclone tube 9 is arranged on the lower partition 7 in a penetrating manner, the flow guide tube 11 is of a structure with a large upper end and a small lower end, the flow guide tube 11 is fixedly arranged at the lower end of the outer cyclone tube 9, the upper end of the inner cyclone tube 10 is arranged on the upper partition 6 in a penetrating manner, the lower end of the inner cyclone tube 10 extends into the outer cyclone tube 9, a helical blade 12 is arranged in the outer cyclone tube 9, a plurality of cyclone plates are arranged in the inner cyclone tube 10 at intervals up and down, when the cyclone separation component works, phosphorus pentoxide tail gas forms a downward outer helical airflow in the outer cyclone tube 9, the flow velocity of the outer helical airflow is accelerated along with the gradual reduction of the inner diameter of the flow guide tube 11, so that the centrifugal separation effect of the outer helical airflow in the outer cyclone tube 9 is better, after centrifugal separation, tiny particles in phosphorus pentoxide tail gas gather to form liquid drops and flow out through a flow guide pipe 11, part of airflow after external spiral separation forms an upward internal rotational flow at the center of the lower part of an external spiral pipe 9, the formed internal rotational flow rises into an internal rotational flow pipe 10, a rotational flow plate in the internal rotational flow pipe 10 continuously changes the flow direction of the internal rotational flow, tiny liquid drops in the phosphorus pentoxide tail gas can be further removed after passing through an internal rotational flow field in the internal rotational flow pipe 10, so that higher centrifugal separation efficiency is achieved, the rotational flow plate comprises a blind cover, rotational flow guide plates and an external support ring which are sequentially connected and fixed from inside to outside, the external support ring is fixed on the inner wall of the internal rotational flow pipe 10, the rotational flow guide plates are 30-36, a plurality of rotational flow guide plates are uniformly arranged between the blind cover and the external support ring, the cyclone guide plates are obliquely arranged between the blind cover and the outer support ring, when the phosphorus pentoxide tail gas is sequentially cyclone guide plates, the cyclone guide plates can perform multiple centrifugal separation on the phosphorus pentoxide tail gas, the effect of removing liquid drops is further improved, preferably, the inclination angle alpha of the cyclone guide plates is 25 degrees, the inclination directions of the cyclone guide plates on the upper and lower adjacent cyclone plates are opposite,
further, the below of honeycomb duct 11 is provided with regulating block 16, the upper end of regulating block 16 is the cone structure, and the upper end and the honeycomb duct 11 lower extreme sliding fit of regulating block 16 are connected through the link between a plurality of regulating blocks 16, install elevating system 17 in the cyclone chamber 3, elevating system 17 is connected with the link, and the liquid droplet that separates through outer spiral pipe 9 centrifugation flows out through regulating block 16 and honeycomb duct 11's lower extreme, rises or descends through elevating system 17 control regulating block 16, just can realize that the clearance between regulating block 16 and the honeycomb duct 11 is adjustable, so just can further improve the effect of gas-liquid separation.
Further, in order to ensure even distribution of phosphorus pentoxide tail gas entering the gas collection chamber 4, an intermediate grille 18 is provided at the junction between the cyclone separation chamber 3 and the gas collection chamber 4.
Further, the flow regulator comprises a rotating shaft 19 and an air regulating plate 20, the rotating shaft 19 is vertically and rotatably installed in the air inlet 1, a driving mechanism 21 for driving the rotating shaft 19 to rotate is installed above the air inlet 1, the driving mechanism 21 can be a motor or a handle used in the prior art, the air regulating plate 20 is installed on the rotating shaft 19, the air regulating plate 20 is matched with the air inlet 1 in shape, and when the flow regulator is used, the driving mechanism 21 drives the rotating shaft 19 to rotate, so as to drive the air regulating plate 20 to rotate, and then the flue gas flow of the air inlet can be regulated.
Claims (5)
1. The utility model provides a phosphorus pentoxide production system tail gas purification is with whirlwind separator, includes air inlet (1), gas outlet (2) and separator body, its characterized in that, the separator body is including whirlwind separation chamber (3) and gas collecting chamber (4) that communicate in proper order, the bottom of whirlwind separation chamber (3) is provided with leakage fluid dram (5), baffle (6) and baffle (7) down are installed to interval about the inside of whirlwind separation chamber (3), a plurality of whirlwind separation components are installed to equipartition on last baffle (6) and the baffle (7) down, on whirlwind separation chamber (3) between last baffle (6) and baffle (7) are set up in last baffle (1), last baffle (6) are slope downwardly arranged in whirlwind separation chamber (3), air inlet (1) on be provided with flow regulator, interval about the inside of gas collecting chamber (4) is installed at least 2 buffer hoods (8), processing has a plurality of bleeder vents on buffer hoods (8), gas outlet (2) set up on the top of gas collecting chamber (4).
2. The cyclone separation device for purifying tail gas of phosphorus pentoxide production system according to claim 1, wherein: the cyclone separation assembly comprises an outer cyclone tube (9), an inner cyclone tube (10) and a flow guide tube (11), wherein the upper end of the outer cyclone tube (9) is installed on a lower partition plate (7) in a penetrating mode, the flow guide tube (11) is of a structure with a large upper end and a small lower end, the flow guide tube (11) is fixedly installed at the lower end of the outer cyclone tube (9), the upper end of the inner cyclone tube (10) is installed on an upper partition plate (6) in a penetrating mode, the lower end of the inner cyclone tube (10) extends into the outer cyclone tube (9), spiral blades (12) are installed in the inner portion of the outer cyclone tube (9), and a plurality of cyclone plates are installed in the inner portion of the inner cyclone tube (10) at intervals.
3. The cyclone separation device for purifying tail gas of phosphorus pentoxide production system according to claim 2, characterized in that: the cyclone separation device is characterized in that an adjusting block (16) is arranged below the flow guide pipe (11), the upper end of the adjusting block (16) is of a cone structure, the upper end of the adjusting block (16) is in sliding fit with the lower end of the flow guide pipe (11), the adjusting blocks (16) are connected through a connecting frame, a lifting mechanism (17) is arranged in the cyclone separation cavity (3), and the lifting mechanism (17) is connected with the connecting frame.
4. The cyclone separation device for purifying tail gas of phosphorus pentoxide production system according to claim 1, wherein: an intermediate grille (18) is arranged at the joint of the cyclone separating cavity (3) and the air collecting cavity (4).
5. The cyclone separation device for purifying tail gas of phosphorus pentoxide production system according to claim 1, wherein: the flow regulator comprises a rotating shaft (19) and an air regulating plate (20), wherein the rotating shaft (19) is vertically and rotatably arranged in the air inlet (1), a driving mechanism (21) for driving the rotating shaft (19) to rotate is arranged above the air inlet (1), the air regulating plate (20) is arranged on the rotating shaft (19), and the air regulating plate (20) is matched with the air inlet (1) in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115590.3U CN220159474U (en) | 2023-05-10 | 2023-05-10 | Cyclone separation device for purifying tail gas of phosphorus pentoxide production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115590.3U CN220159474U (en) | 2023-05-10 | 2023-05-10 | Cyclone separation device for purifying tail gas of phosphorus pentoxide production system |
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| Publication Number | Publication Date |
|---|---|
| CN220159474U true CN220159474U (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321115590.3U Active CN220159474U (en) | 2023-05-10 | 2023-05-10 | Cyclone separation device for purifying tail gas of phosphorus pentoxide production system |
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| CN (1) | CN220159474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118045432A (en) * | 2024-04-16 | 2024-05-17 | 四川恒重清洁能源成套装备制造有限公司 | Sand removing device for natural gas wellhead |
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2023
- 2023-05-10 CN CN202321115590.3U patent/CN220159474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118045432A (en) * | 2024-04-16 | 2024-05-17 | 四川恒重清洁能源成套装备制造有限公司 | Sand removing device for natural gas wellhead |
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